<Wim writes in part>
> ... but how do you get the z information from the kunstkopf?

Yeah, I nearly jumped on that one, but he's
right.

Each kunstkopf is binaural and can triangulate on the
goat.  Having two kunstkopfs gives two triangles.
Knowing the distance between kunstkopfs gives the
necessary information to triangulate the "z" dimension.

And get a kopfache <g>.

Cheers,

Win Wiencke
Image Logic Corporation